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Improved Formation of Pt Multilayers at Near-neutral pH: Underpotential Deposition and Surface Limited Redox Replacement

Takimoto Daisuke , Tsujimura Seiya

… The influence of pH on the underpotential deposition of copper metal and the surface limited redox replacement with Pt2+ … After 10 cycles of surface limited redox replacement between deposited Cu atoms and Pt ions, the roughness factor of the Pt multilayer prepared in near-neutral Na2SO4 …

Chemistry Letters 47(11), 1379-1382, 2018

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2

A Miniature Fuel Cell with Monolithically Fabricated Si Based Electrodes:Au-Pd-Pt multilayer catalyst [in Japanese]

Shirai Ryo , binti Mohd Ismail Siti Sarah , Vasiljevic Natasa , Hayase Masanori

シリコン基板上に燃料流路と触媒層を一体成型した薄型燃料電池の開発を進めている．前報では，金線を基材にし，その上に水素を介したUPD-SLRRを用いてPd-Pt触媒を形成することに成功した．そこで，UPD-SLRR回数を変えることでPd堆積量を制御し，Au線上に数層のPd層を堆積させ，さらに極微量Ptを堆積した．さらにギ酸酸化(FAO)を行い，CO耐性評価を調査することでPd及びPt堆積量，膜厚の最 …

Proceedings of JSPE Semestrial Meeting 2017A(0), 665-666, 2017

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3

Polarization-dependent Total Reflection Fluorescence X-ray Absorption Fine Structure (PTRF-XAFS) Studies on the Structure of a Pt Monolayer on Au(111) Prepared by the Surface-limited Redox Replacement Reaction

Yuan Qiuyi , Takakusagi Satoru , Wakisaka Yuki , Uemura Yohei , Wada Takahiro , Ariga Hiroko , Asakura Kiyotaka

… We studied the initial stage of a Pt monolayer produced by surface-limited redox replacement (SLRR) using polarization-dependent total reflection fluorescence X-ray absorption fine structure (PTRF-XAFS). …

Chemistry Letters 46(8), 1250-1253, 2017

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